Hyundai Motor Co on Thursday reported its second-quarter net profit of 4.17 trillion won (US$3 billion), up 24.7 percent from a year earlier.The company said in a regulatory filing that operating income for the April-June period rose 0.7 percent on-year to 4.27 trillion won. Revenue increased 6.6 percent to 45.02 trillion won.The earnings exceeded market expectations. The average estimate of net profit by analysts stood at 3.56 trillion won, according to a survey by Yonhap Infomax, the financial data firm of Yonhap News Agency.Source: Yonhap News Agency